Detachable Keyboard Battery Cover for Thin Replaceable Designs
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Solution Overview
Problem
Existing keyboards with enclosed lithium batteries require destruction of the housing for battery replacement, leading to damage and rendering the keyboard unusable.
Innovation Solution
A battery-replaceable keyboard design featuring a detachable lower plate structure comprising a base plate, reworkable adhesive layer, and protective plate, allowing for battery replacement without damaging the keyboard.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of repair
If the battery is enclosed in a fully sealed housing, then the keyboard structure is simple and robust, but the battery cannot be replaced without destroying the housing
Solution Approach 1:
The keyboard is divided into separable components: an upper assembly (keyboard frame with battery recessed portion) and a lower plate structure. The lower plate structure can be detachably attached and separated from the upper assembly, enabling battery replacement without destroying the keyboard housing. This segmentation allows the battery to be accessed and replaced while preserving the integrity of the main keyboard structure.
2Ease of repair
If the lower plate structure is detachably attached, then the battery becomes replaceable, but the keyboard thickness increases
Solution Approach 1:
The battery is nested within the keyboard frame's recessed portion, and the lower plate structure is nested beneath the keyboard frame. The protective plate is disposed within the second through opening of the reworkable adhesive layer. This nested arrangement allows multiple components to occupy overlapping spatial volumes, minimizing the overall keyboard thickness while maintaining detachable battery access.
3Reliability
If the protective plate completely covers the battery, then the battery is well protected, but the reworkable adhesive layer and protective plate must be precisely positioned
Solution Approach 1:
The reworkable adhesive layer serves as an intermediary between the base plate and the cover plate, providing a controlled bonding interface. The adhesive layer with its second through opening corresponds to the first through opening, enabling precise positioning of the protective plate over the battery while maintaining detachable attachment. This intermediary layer facilitates accurate component alignment during assembly.
Data Source
AI summary
The present invention provides a battery-replaceable keyboard, which includes a keyboard frame, a cover plate and a lower plate structure. The keyboard frame has a recessed portion configured to accommodate a battery. The cover plate is disposed beneath the keyboard frame and has a first through opening exposing the recessed portion. The lower plate structure is configured to be detachably attached to a lower surface of the cover plate, and includes a base plate, a reworkable adhesive layer and a protective plate. The reworkable adhesive layer is disposed on the base plate and has a second through opening corresponding to the first through opening. The protective plate is disposed in the second through opening.